Computer runs extremely slow doing simple tasks

Home build PC

My computer runs extremely slow doing pretty much anything. It does however run fine at random times. Opening " My Computer ", Control Panel, web pages, games, etc etc all require 5+ minutes and sometimes just crash the computer all together, I don't believe my processor is overheating, it never exceeds 60C, although it does idle at 40-50C.

It ran fine for a few months but all of the sudden it just started messing up, I took the whole thing apart and reset everything and still nothing, also tried changing out RAM and removing the video card and using the stock motherboard video and still nothing, i've also tried reinstalling windows. I'm starting to think that my processor is fried.


Intel i7 3770k
Nvidia GTX 660 Ti
8 GB vengence RAM
GIGABYTE GA-Z77X-UD5H LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard

Any help?

EDIT: I do have up-to date AVG and i've ran multiple scans and it all shows up clean. Also all of my drivers are up-to date as of yesterday. I have factory reset everything BIOS would let me factory reset. My processor isn't overclocked.
5 answers Last reply Best Answer
More about computer runs extremely slow simple tasks
  1. CPUs are quite black and white, in most cases, they either work or they don't. So I wouldn't worry about that. It sounds more like a virus or malware issue. Do you have an up-to-date antivirus?
  2. Could be a software issue. Are all of your drivers up to date? I would just back up my data and do a clean re-install of windows.
  3. Best answer
    I notice you say you have re-installed windows already. Always start easy and work from there. First two things to try here, No.1 hard drive diagnostic. You may have one in your BIOS if not the website for your HDD model will have one. Run this and see if you get an error code. Then if this works....
    2. Run memtest (google it) and check your RAM. One pass should be sufficient to see if there is a major problem.
  4. Also if your system is overclocked, try going into the BIOS and resetting it to factory defaults just to rule out a bad overclock.
  5. With respect, I would never run a registry cleaner on my computer. There is no hard evidence that it will improve performance at all. It's a gimmick, if the registry needed cleaning Microsoft would have a tool for it. Defragging the disk, checking for viruses and malware is a good start.
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